Global Patent Index - EP 2031191 A2

EP 2031191 A2 20090304 - Gas turbine engine case for clearance control

Title (en)

Gas turbine engine case for clearance control

Title (de)

Gasturbinenmotorgehäuse für Spaltregelung

Title (fr)

Carter de moteur à turbine à gaz pour régulation de jeu

Publication

EP 2031191 A2 20090304 (EN)

Application

EP 08252759 A 20080820

Priority

US 84311207 A 20070822

Abstract (en)

A gas turbine engine includes an active clearance control (ACC) system within the engine casing (52). The case (52) includes a wall structure with a cast-in cooling configuration (68) through Refractory Metal Core technology which is tailored to address traditional hot spots and improve discrete control of case growth.

IPC 8 full level

F01D 11/24 (2006.01); F01D 25/14 (2006.01); F01D 25/26 (2006.01)

CPC (source: EP US)

F01D 11/24 (2013.01 - EP US); F01D 25/14 (2013.01 - EP US); F01D 25/26 (2013.01 - EP US); F05D 2230/21 (2013.01 - EP US); Y02T 50/60 (2013.01 - EP US)

Citation (applicant)

US 7174945 B2 20070213 - BEALS JAMES T [US], et al

Citation (examination)

Designated contracting state (EPC)

DE GB

Designated extension state (EPC)

AL BA MK RS

DOCDB simple family (publication)

EP 2031191 A2 20090304; EP 2031191 A3 20120418; US 2009053041 A1 20090226; US 8434997 B2 20130507

DOCDB simple family (application)

EP 08252759 A 20080820; US 84311207 A 20070822